[lttng-tools.git] / include / Makefile.am

##
## The version.h file must be verified and generated or updated if the
## git commit id (called git version here) changed since the last build
## of lttng-tools.
##
version.h:
	##
	## We first create variables for the current git version and
	## the locations of the version.h and version.h.tmpl files
	##
	@echo -n "Generating version.h ... "
	@(version_h_tmpl="$(top_builddir)/include/version.h.tmpl"; \
	if [ -f "$${version_h_tmpl}" ]; then \
		version_h="$(top_builddir)/include/version.h"; \
		##
		## We check the git version format we will use depending on
		## whether or not we are in the master branch or on a tag
		##
		git_branch="$$(git describe --all 2>/dev/null)"; \
		if [ -z "$${git_branch}" ]; then \
			git_version=""; \
		else \
			git_describe="$$(git describe)"; \
			if [ "$${git_branch}" == "$${git_describe}" ] || \
				[ "$${git_branch}" == "heads/master" ]; then \
				git_version="$${git_describe}"; \
			else \
				git_version="$$(git describe --long --all)"; \
			fi; \
		fi; \
		##
		## If the version.h file doesn't exist or is not up to date,
		## We replace it by the version.h.tmpl file
		##
		if [ ! -e "$${version_h}" ] || \
			[ "$${version_h_tmpl}" -nt "$${version_h}" ]; then \
			cp "$${version_h_tmpl}" "$${version_h}"; \
		fi; \
		if [ -n "$${git_version}" ]; then \
			##
			## We remove the leading "v" for the version number
			##
			git_version="$$(echo "$${git_version}" | sed -r "s/^v([0-9])/\1/")"; \
			##
			## If we have a git version, we verify that it isn't the same
			## as the one currently in the file (if there is one), as we
			## don't want to update the file if it is already up to date
			##
			if [ $$(grep -cE "^#define GIT_VERSION \"?$${git_version}\"?$$" "$${version_h}") -eq 0 ]; then \
				if [ $$(grep -c "^#define GIT_VERSION" "$${version_h}") -gt 0 ]; then \
					##
					## If there is already a GIT_VERSION defined,
					## we just replace it by the new version
					##
					sed -i "s'^#define GIT_VERSION.*$$'#define GIT_VERSION \"$${git_version}\"'" "$${version_h}"; \
				else \
					##
					## Else, we add a GIT_VERSION define
					## containing our new version.
					##
					sed -i "s'^\(#define VERSION_H.*\)$$'\1\n\n#define GIT_VERSION \"$${git_version}\"'" "$${version_h}"; \
				fi; \
			fi; \
		fi; \
	fi)
	@echo "ok"

##
## version.h is defined as a .PHONY file even if it's a real file as
## we want our routine to be runned for each build.
##
.PHONY: version.h

lttnginclude_HEADERS = \
	lttng/health.h \
	lttng/lttng.h \
	lttng/lttng-error.h \
	lttng/snapshot.h \
	lttng/save.h \
	version.h

noinst_HEADERS = \
	lttng/snapshot-internal.h \
	lttng/health-internal.h \
	lttng/save-internal.h
Commit	Line	Data
88564da0 RB	1	##
	2	## The version.h file must be verified and generated or updated if the
	3	## git commit id (called git version here) changed since the last build
	4	## of lttng-tools.
	5	##
	6	version.h:
	7	##
	8	## We first create variables for the current git version and
	9	## the locations of the version.h and version.h.tmpl files
	10	##
	11	@echo -n "Generating version.h ... "
	12	@(version_h_tmpl="$(top_builddir)/include/version.h.tmpl"; \
	13	if [ -f "$${version_h_tmpl}" ]; then \
	14	version_h="$(top_builddir)/include/version.h"; \
	15	##
	16	## We check the git version format we will use depending on
	17	## whether or not we are in the master branch or on a tag
	18	##
	19	git_branch="$$(git describe --all 2>/dev/null)"; \
	20	if [ -z "$${git_branch}" ]; then \
	21	git_version=""; \
	22	else \
	23	git_describe="$$(git describe)"; \
	24	if [ "$${git_branch}" == "$${git_describe}" ] \|\| \
	25	[ "$${git_branch}" == "heads/master" ]; then \
	26	git_version="$${git_describe}"; \
	27	else \
	28	git_version="$$(git describe --long --all)"; \
	29	fi; \
	30	fi; \
	31	##
	32	## If the version.h file doesn't exist or is not up to date,
	33	## We replace it by the version.h.tmpl file
	34	##
	35	if [ ! -e "$${version_h}" ] \|\| \
	36	[ "$${version_h_tmpl}" -nt "$${version_h}" ]; then \
	37	cp "$${version_h_tmpl}" "$${version_h}"; \
	38	fi; \
	39	if [ -n "$${git_version}" ]; then \
	40	##
	41	## We remove the leading "v" for the version number
	42	##
	43	git_version="$$(echo "$${git_version}" \| sed -r "s/^v([0-9])/\1/")"; \
	44	##
	45	## If we have a git version, we verify that it isn't the same
	46	## as the one currently in the file (if there is one), as we
	47	## don't want to update the file if it is already up to date
	48	##
	49	if [ $$(grep -cE "^#define GIT_VERSION \"?$${git_version}\"?$$" "$${version_h}") -eq 0 ]; then \
	50	if [ $$(grep -c "^#define GIT_VERSION" "$${version_h}") -gt 0 ]; then \
	51	##
	52	## If there is already a GIT_VERSION defined,
	53	## we just replace it by the new version
	54	##
	55	sed -i "s'^#define GIT_VERSION.*$$'#define GIT_VERSION \"$${git_version}\"'" "$${version_h}"; \
	56	else \
	57	##
	58	## Else, we add a GIT_VERSION define
	59	## containing our new version.
	60	##
	61	sed -i "s'^\(#define VERSION_H.*\)$$'\1\n\n#define GIT_VERSION \"$${git_version}\"'" "$${version_h}"; \
	62	fi; \
	63	fi; \
	64	fi; \
65	fi)
66	@echo "ok"
67
68	##
69	## version.h is defined as a .PHONY file even if it's a real file as
70	## we want our routine to be runned for each build.
71	##
72	.PHONY: version.h
73
55d09795	74	lttnginclude_HEADERS = \
d74df422	75	lttng/health.h \
55d09795 MD	76	lttng/lttng.h \
55d09795 MD	77	lttng/lttng-error.h \
00c76cea	78	lttng/snapshot.h \
88564da0 RB	79	lttng/save.h \
88564da0 RB	80	version.h
da3c9ec1	81
55d09795 MD	82	noinst_HEADERS = \
55d09795 MD	83	lttng/snapshot-internal.h \
00c76cea JG	84	lttng/health-internal.h \
00c76cea JG	85	lttng/save-internal.h